2010年GMAT考试最新逻辑推理试题训练二
来源:优易学  2010-1-22 17:34:47   【优易学:中国教育考试门户网】   资料下载   外语书店

 

6.  The ancient city of Cephesa was not buried by an eruption of Mt. Amnos in A.D. 310, as some believe. The eruption in the year 310 damaged the city, but it did not destroy it. Cephesa survived for another century before it finally met its destruction in another eruption around A.D. 415.Which of the following, if true, would most strengthen the author’s claim that the city of Cephesa was not buried by the eruption of Mt. Amnos in A.D. 310?

(A) The city of Cephesa is mentioned in a historical work known to have been written in A.D. 400.

(B) Coins bearing the image of an emperor who lived around A.D. 410 have been discovered in the ruins of Cephesa, which were preserved by the cinders and ashes that buried the city.

(C) Geological evidence shows that the eruption of Mt. Amnos in A.D. 415 deposited a 10-foot-thick layer of lava on the city of Cephesa.

(D) Artworks from the city of Cephesa have been found in the ruins of another city known to have been destroyed in A.D. 420.

(E) A historical work written in A.D. 430 refers to the eruption of Mt. Amnos in A.D. 415.

 

7.  June is taller than Kristin.
     Letty is taller than Maria.
     Maria is shorter than Nancy.
    
Kristin and Nancy are exactly the same height.
    
If the information above is true, which of the following must also be true?

(A) Letty is taller than Nancy.

(B) Letty is taller than June.

(C) Kristin is shorter than Letty.

(D) June is taller than Maria.

(E) Kristin is shorter than Maria.

 

8. Current farm policy is institutionalized penalization of consumers. It increases food prices for middle- and low-income families and costs the taxpayer billions of dollars a year.Which of the following statements, if true, would provide support for the author’s claims above?

I.     Farm subsidies amount to roughly $20 billion a year in federal payouts and $12 billion more in higher food prices.

II.    According to a study by the Department of Agriculture, each $1 of benefits provided to farmers for ethanol production costs consumers and taxpayers $4.

III.   The average full-time farmers have an average net worth of over $300,000.

(A) I only

(B) II only

(C) III only

(D) I and II only

(E) I, II, and III

 

9. Reva: Using extraneous incentives to get teenagers to change their attitude toward school and schoolwork won’t work. Take the program in West Virginia, for instance, where they tried to reduce their dropout rate by revoking the driving licenses of kids who left school. The program failed miserably.Anne: It’s true that the West Virginia program failed, but many schools have devised incentive programs that have been very successful in improving attendance and reducing discipline problems.According to Anne, the weak point in Reva’s claim is that it

(A) fails to consider the possibility that the majority of potential dropouts in West Virginia do not have driving licenses

(B) doesn’t provide any exact figures for the dropout rate in West Virginia before and during the program

(C) ignores a substantial body of evidence showing that parents and employers have been using extrinsic incentives with positive results for years

(D) assumes that a positive incentive—a prize or a reward—will be no more effective than a negative incentive, like the revoking of a driving license

(E) is based on a single example, the incentive program in West Virginia, which may not be typical

 

10. In many surveys, American consumers have expressed a willingness to spend up to 10 percent more for products that are ecologically sound. Encouraged by such surveys, Bleach-O Corporation promoted a new laundry detergent, Bleach-O Green, as safer for the environment. Bleach-O Green cost 5 percent more than typical detergents. After one year, Bleach-O Green had failed to capture a significant share of the detergent market and was withdrawn from sale.Which of the following questions is LEAST likely to be relevant in determining the reasons for the failure of Bleach-O Green?

(A) How effective as a detergent was Bleach-O Green?

(B) How many other detergents on the market were promoted as safe for the environment?

(C) How much more did Bleach-O Green cost to manufacture than ordinary detergents?

(D) To what extent did consumers accept the validity of Bleach-O Green advertised and promoted to consumers?

(E) How effectively was Bleach-O Green advertised and promoted to consumers?

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